Apple pomace improves the quality of pig manure aerobic compost by reducing emissions of NH3 and N2O

Abstract In this study, the effects of apple pomace (AP) addition (0%, 5%, 10%, and 20% on a dry weight basis, named as control, AP1, AP2, and AP3) and citric acid (CA) addition on nitrogen conservation were investigated during aerobic composting of pig manure. Gaseous emissions of NH3 and N2O were...

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Autores principales:	Hui Mao, Teng Zhang, Ronghua Li, Bingnian Zhai, Zhaohui Wang, Quan Wang, Zengqiang Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1a3073a1894d426b84ac9fd8f36793dc
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spelling	oai:doaj.org-article:1a3073a1894d426b84ac9fd8f36793dc2021-12-02T16:06:22ZApple pomace improves the quality of pig manure aerobic compost by reducing emissions of NH3 and N2O10.1038/s41598-017-00987-y2045-2322https://doaj.org/article/1a3073a1894d426b84ac9fd8f36793dc2017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00987-yhttps://doaj.org/toc/2045-2322Abstract In this study, the effects of apple pomace (AP) addition (0%, 5%, 10%, and 20% on a dry weight basis, named as control, AP1, AP2, and AP3) and citric acid (CA) addition on nitrogen conservation were investigated during aerobic composting of pig manure. Gaseous emissions of NH3 and N2O were inhibited by AP and CA addition, with AP’s effect greater. The inhibition improved with increasing AP addition. The AP3 treatment was the most effective on NH3 adsorption and transformation to $${{\bf{NH}}}_{{\bf{4}}}^{{\boldsymbol{+}}}$$ NH 4 + -N, improved with subsequent transformation to $${{\bf{NO}}}_{{\bf{3}}}^{{\boldsymbol{-}}}$$ NO 3 − -N, and inhibition of N2O and $${{\bf{NO}}}_{{\bf{2}}}^{{\boldsymbol{-}}}$$ NO 2 − production. Compared with control, AP3 showed the highest inhibition of accumulated NH3 and N2O emission, by 57% and 24%, respectively, and with a 19% increase of total Kjeldahl nitrogen in the compost. The further pot experiment proved the application of the AP amendment compost could improve the yield and trace element nutrient accumulation in Chinese cabbage when planted in a typical Zn-deficient soil. This study illustrates that AP application benefits both compost nitrogen conservation and fertilizer quality.Hui MaoTeng ZhangRonghua LiBingnian ZhaiZhaohui WangQuan WangZengqiang ZhangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hui Mao Teng Zhang Ronghua Li Bingnian Zhai Zhaohui Wang Quan Wang Zengqiang Zhang Apple pomace improves the quality of pig manure aerobic compost by reducing emissions of NH3 and N2O
description	Abstract In this study, the effects of apple pomace (AP) addition (0%, 5%, 10%, and 20% on a dry weight basis, named as control, AP1, AP2, and AP3) and citric acid (CA) addition on nitrogen conservation were investigated during aerobic composting of pig manure. Gaseous emissions of NH3 and N2O were inhibited by AP and CA addition, with AP’s effect greater. The inhibition improved with increasing AP addition. The AP3 treatment was the most effective on NH3 adsorption and transformation to $${{\bf{NH}}}_{{\bf{4}}}^{{\boldsymbol{+}}}$$ NH 4 + -N, improved with subsequent transformation to $${{\bf{NO}}}_{{\bf{3}}}^{{\boldsymbol{-}}}$$ NO 3 − -N, and inhibition of N2O and $${{\bf{NO}}}_{{\bf{2}}}^{{\boldsymbol{-}}}$$ NO 2 − production. Compared with control, AP3 showed the highest inhibition of accumulated NH3 and N2O emission, by 57% and 24%, respectively, and with a 19% increase of total Kjeldahl nitrogen in the compost. The further pot experiment proved the application of the AP amendment compost could improve the yield and trace element nutrient accumulation in Chinese cabbage when planted in a typical Zn-deficient soil. This study illustrates that AP application benefits both compost nitrogen conservation and fertilizer quality.
format	article
author	Hui Mao Teng Zhang Ronghua Li Bingnian Zhai Zhaohui Wang Quan Wang Zengqiang Zhang
author_facet	Hui Mao Teng Zhang Ronghua Li Bingnian Zhai Zhaohui Wang Quan Wang Zengqiang Zhang
author_sort	Hui Mao
title	Apple pomace improves the quality of pig manure aerobic compost by reducing emissions of NH3 and N2O
title_short	Apple pomace improves the quality of pig manure aerobic compost by reducing emissions of NH3 and N2O
title_full	Apple pomace improves the quality of pig manure aerobic compost by reducing emissions of NH3 and N2O
title_fullStr	Apple pomace improves the quality of pig manure aerobic compost by reducing emissions of NH3 and N2O
title_full_unstemmed	Apple pomace improves the quality of pig manure aerobic compost by reducing emissions of NH3 and N2O
title_sort	apple pomace improves the quality of pig manure aerobic compost by reducing emissions of nh3 and n2o
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/1a3073a1894d426b84ac9fd8f36793dc
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Apple pomace improves the quality of pig manure aerobic compost by reducing emissions of NH3 and N2O

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